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dimaraw [331]
2 years ago
5

10 = z/2 + 7 Help please..??

Mathematics
2 answers:
laila [671]2 years ago
7 0
10 = \frac{z}{2} + 7\\\\3 = \frac{z}{2}\\\\\boxed{\bf{z = 6}}
fomenos2 years ago
5 0
10 = z/2 + 7

10 - 7 = z/2 + 7 - 7

3 = z/2

3 * 2 = z/2 * 2

6 = z
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Qbjsksnnfkkdnnwnnsiodnnjfkjbbskkxkkdn
iris [78.8K]

Answer:

There are 25 students in the class.

Step-by-step explanation:

Since we know the percentage of students who want an ice cream party is 20%, and 5 students want an ice cream party, we know that:

\frac{5}{S}=0.2

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\frac{5}{S}=0.2 Given equation

5=0.2*S Multiply by S

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Therefore, there are 25 students in the class.

7 0
2 years ago
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I’m stuck please help ? Due tomorrow
Shkiper50 [21]
Here are two ways of doing it.

************************************************************

1) The current price is 100% of the price. The price went down by 6%, so since 100% - 6% = 94%, the new price is 94% of the original price.

94% * 175 = 0.94 * 175 = 164.50

The new price is 164.50

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2) The discount is 6% of 175, so first, we find the discount.

6% of 175 = 0.06 * 175 = 10.5

Now we subtract the amount of the discount from the original price.

175 - 10.50 = 164.50

The new price is 164.50

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As you can see, both methods give you the same answer, 164.50
6 0
3 years ago
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DedPeter [7]

Answer:

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